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Public water system · WA5323600

Active

Enumclaw Water Department

At a glance

Enumclaw Water Department (PWSID WA5323600) is an active community water system in King County, Washington. It reports serving 23,276 people through 8,050 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2005.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

23,276

Service connections

8,050

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5323600
System typeCommunity water system
Activity statusActive
Population served23,276
Service connections8,050
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyKing County

How does Enumclaw Water Department compare with other water systems in King County?

By EPA's size categories, Enumclaw Water Department is a large system (10,001 to 100,000 people). King County has 214 active public water systems. Its population served is about 50% above the county average of 15,523 people per system, and accounts for 0.7% of the 3,321,960 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active community water system reports serving 6,703 people, so Enumclaw Water Department is about 3.5 times that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Washington has 2,392 active community water systems, 51% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.

Who owns and regulates Enumclaw Water Department?

EPA lists Enumclaw Water Department as owned by a local government. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 58 of the 214 active systems in King County (27%) are also owned by a local government.

Does Enumclaw Water Department have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2005. The violations listed here began between January 2005 and January 2005. By type: 12 monitoring and reporting. The contaminants or rules involved are Arsenic, Barium, Cadmium and Chromium. EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Enumclaw Water Department: frequently asked questions

Who runs Enumclaw Water Department?

Enumclaw Water Department (PWSID WA5323600) is a community water system owned by a local government. It is regulated by the WA state drinking water program.

How many people does Enumclaw Water Department serve?

Enumclaw Water Department reports serving 23,276 people through 8,050 service connections in King County, Washington.

Where does Enumclaw Water Department get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Enumclaw Water Department have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2005. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Enumclaw Water Department's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2005. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Enumclaw Water Department's water quality report?

As a community water system, Enumclaw Water Department must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in King County

Water systemCountyPopulation servedTypeSource
Seattle Public UtilitiesKing1,161,961CommunitySurface water
Bellevue City ofKing321,349CommunityPurchased surface water
Kent Water DepartmentKing166,421CommunityPurchased surface water
Redmond Water System City ofKing163,335CommunityPurchased surface water
Lakehaven Water and Sewer DistrictKing148,809CommunityPurchased surface water
Renton City ofKing108,091CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Enumclaw Water Department, PWSID WA5323600, Washington”, https://aquacensus.com/water-systems/washington/enumclaw-water-department-wa5323600 (data as of October 1, 2026).